Smelting refuse

Usage examples of scoria.

Rings of pale-coloured scoria may be due to tin, zinc, antimony, or arsenic.

The cupellation of large quantities of alloy or of alloys which contain tin, antimony, iron, or any substance which produces a scoria, or corrodes the cupel, must be preceded by a scorification.

The eruption caught the Borg ship in a giant thermocautery and turned it into so much scoria in a half second.

Scoriae, in a state of dust, like powdered pumice-stone, and grayish ashes as small as the finest feculae, were held in suspension in the midst of their thick folds.

As the cruiser glides closer to the rimlands of smeared lava flats and scoria, he sees the famous veins of dried riverbeds that he remembers from the Viking photographs of his former life a millennium ago.

Here and there, treacherous rubbles of scoria underfoot made each step uncertain.

Covenant lashed argent at them, sent them sprawling, reduced their rukhs to scoria.

He'd demanded a fresh supply while meditating at the place of the Pivot, only to get back to Yzordderrex to find that his procurers in the Scoriae Kesparate had been murdered.

There were questions to be answered here, and quickly, or else it wouldn't only be the Scoriae where heads would roll.

So much smoke, and possibly scoriae and cinders were mingled with them, that their light gleamed but faintly amid the gloom of the night.

For a long way the soil was composed of a reddish sandy stone, something like crushed brick, scoriae, streams of lava, and pumice-stones.

We are about to be expelled, thrown up, vomited, spit out of the interior of the earth, in common with huge blocks of granite, with showers of cinders and scoriae, in a wild whirlwind of flame, and you say—the most fortunate thing which could happen to us.

The column of cinders, of scoriae, of broken rocks and earth, had wholly ceased to ascend.

Hence the numerous heaps of scoriae found in the neighbourhood of Leeds,— at Middleton, Whitkirk, and Horsforth— all within the borough.

The foot-blasts of the earlier iron-smelters were so imperfect that but a small proportion of the ore was reduced, so that the iron-makers of later times, more particularly in the Forest of Dean, instead of digging for ironstone, resorted to the beds of ancient scoriae for their principal supply of the mineral.